On the analysis and control of a split pole induction machine
Patrice Lesage
External reviewer: Professor Alan G. Jack, University of Newcastle upon Tyne, Great Britain
A conventional 8-pole induction machine has been rewound with four 2-pole windings, each of them being connected to an independent converter. This brings a supplementary freedom in a sensorless drive, avoiding estimation problems at low stator frequencies. This work includes some modelling aspects of the modular design. It investigates the magnetic behaviour of the machine when a torque separation strategy at low frequency is activated. It then presents the control strategy as well as some experimental results. It finally concludes on perspectives for this modular concept.

Last updated 1999-02-04